Problem Display
PID: 205681 (8/2RnR3/3n4/N1PrPpN1/2PkP3/2p1p3/B1P1P3/3K3Q w - - 0 1)

Geissler, Emil

Badische Neueste Nachrichten, 1949

8/2RnR3/3n4/N1PrPpN1/2PkP3/2p1p3/B1P1P3/3K3Q

#2

13 + 7


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Sxc4
      • 2.Sb3#
    • 1...Sxe4
      • 2.Sf3#
    • 1...Sxc5
      • 2.Sc6#
    • 1...Sxe5
      • 2.Se6#
  • Tries
    • 1.Qh4?
      • threat
        • 2.Sf3#
      • 1...Sxe5
        • 2.Se6#
      • 1...f4!
    • 1.exd6?
      • threat
        • 2.Sf3#
      • 1...fxe4
        • 2.Rxe4#
        • 2.Qxe4#
      • 1...Se5
        • 2.Se6#
      • 1...Re5!
  • Keys
    • 1.Kc1!
      • threat
        • 2.Qd1#
      • 1...Sxc4
        • 2.Sb3#
      • 1...Sxe4
        • 2.Sf3#
      • 1...Sxc5
        • 2.Sc6#
      • 1...Sxe5
        • 2.Se6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(f);SBLOCK,XP(F)::S(H)
    • S(f);SBLOCK,XP(G)::S(K)
    • S(g);SBLOCK,XP(I)::S(H)
    • S(g);SBLOCK,XP(J)::S(K)
  • Tries
    • Try
      • Q(B);
      • Threat
        • S(K)
      • Vars
        • S(g);SBLOCK,XP(J)::S(K)
      • Refutation
        • P(e);
    • Try
      • P(J);XS(f)
      • Threat
        • S(K)
      • Vars
        • S(g);SBLOCK::S(K)
      • Refutation
        • R(d);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR(B)
    • Vars
      • S(f);SBLOCK,XP(F)::S(H)
      • S(f);SBLOCK,XP(G)::S(K)
      • S(g);SBLOCK,XP(I)::S(H)
      • S(g);SBLOCK,XP(J)::S(K)


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).